EN 13850:2002 Postal service - Quality of service - Measurement of the transit time of end-to end-services for single piece priority mail and first class mail Incorporates Amendment 1: 2007
2012EN 13850:2012 Postal Services - Quality of Services - Measurement of the transit time of end-to-end services for single piece priority mail and first class mail
2002EN 13850:2002 Postal service - Quality of service - Measurement of the transit time of end-to end-services for single piece priority mail and first class mail Incorporates Amendment 1: 2007